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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-023-02660-9
|2 doi
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|a pubmed25n1188.xml
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|a (DE-627)NLM356681998
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|a (NLM)37165294
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Green, Frank B
|e verfasserin
|4 aut
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| 245 |
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|a A novel laboratory method for simulating pollinator exposure to agrochemical-laden particulate matter
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.05.2023
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|a Date Revised 22.05.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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|a Environmental transport and deposition of particulate matter (PM) associated with toxic chemicals has begun to receive attention as a source of risk to pollinators. For example, dust arising from manipulations of insecticide-treated seed has potential to exert toxic effects among non-target insects. Similarly, synthetic steroid growth promoters, antibiotics and multiple insecticides and parasiticides detected in fugitive beef cattle feedyard PM may also negatively impact pollinators since many of these chemicals have been detected on wildflowers and pollinators collected near beef cattle feedyards. Therefore, there is a need to assess risk to pollinators posed by deposition of agrochemical-laden PM, both in the field and the laboratory. Unfortunately, established laboratory methods for simulating PM exposure or toxicity associated with contaminated PM are few and highly situation-specific. Herein we describe development and use of a PM circulation system that can be employed to evaluate toxicity of agrochemical-contaminated PM in the laboratory under controlled conditions. Two model organisms (honeybees (Apis mellifera) and mason bees (Osmia lignaria)) were exposed to agrochemical-free PM in the circulator system, and post-exposure mortality was compared with controls. No significant differences in mortality between exposed and control bees were observed. Next, honeybees and mason bees were exposed to PM spiked with an insecticide known to exert toxic effects to pollinators (thiamethoxam). Bees experienced significantly higher mortality when exposed to thiamethoxam-laden PM at environmentally relevant concentrations as compared to bees exposed to agrochemical-free PM. These results confirm the validity of these methods for use in controlled laboratory PM toxicity tests and offer a source of positive and negative control groups for laboratory and field experiments examining exposure of pollinators to potentially toxic agrochemical-laden PM. This method facilitates generation of more realistic toxicity data than standard contact toxicity tests when pollinator exposure scenarios involve particulate-based agrochemicals or other toxic chemicals
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|a Journal Article
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|a Honeybees
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| 650 |
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|a Mason bees
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| 650 |
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4 |
|a Particulate matter
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| 650 |
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4 |
|a Pollinators
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| 650 |
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4 |
|a Toxicity testing methods
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| 650 |
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7 |
|a Insecticides
|2 NLM
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| 650 |
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7 |
|a Thiamethoxam
|2 NLM
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| 650 |
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7 |
|a 747IC8B487
|2 NLM
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| 650 |
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7 |
|a Agrochemicals
|2 NLM
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| 650 |
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7 |
|a Particulate Matter
|2 NLM
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| 650 |
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7 |
|a Neonicotinoids
|2 NLM
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| 700 |
1 |
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|a Peterson, Eric M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Smith, Philip N
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 32(2023), 4 vom: 10. Mai, Seite 544-551
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnas
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| 773 |
1 |
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|g volume:32
|g year:2023
|g number:4
|g day:10
|g month:05
|g pages:544-551
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| 856 |
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|u http://dx.doi.org/10.1007/s10646-023-02660-9
|3 Volltext
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